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For new polyurethane blowing agents, Cannon offers the latest equipment and a variety of options to choose from
.
According to the proposal of the Montreal Protocol to protect the stratospheric ozone layer in 1989, the first temporary solution is: in the polyurethane foaming agent, to ban and replace the use of chlorofluorocarbons (CFCS), first use hydrochloric acid Fluorocarbons (HCFCs) are used as alternative blowing agents because the ozone-depleting potential (ODP) of hydrochlorofluorocarbons (HCFCs) is 10 times lower than that of chlorofluorocarbons (CFCS)
.
However, the global warming potential (GWP) of HCFCs is very high, so the parties to the Montreal Protocol reached an agreement again in 2007 to accelerate the phase-out of HCFCs, and to help developing countries through financial support to transform into environmentally friendly Production process mode
.
Compared with HCFCs, the consumption of other low ODP and GWP blowing agents has increased rapidly in recent years, including HFCs (fluorocarbon compounds), hydrocarbon compounds and purified water
.
A newer generation of blowing agents, hydrofluoroolefins (HFOs), has also been developed and has an increasing market share
.
This blowing agent has a very low GWP value and is non-flammable, and it also gives polyurethane rigid foam excellent thermal insulation properties
.
Cannon's latest equipment solutions for new polyurethane foaming agents
Since its inception, Cannon has been at the forefront of "green" technology research and development, striving to defend environmental protection and strictly abide by international guidelines
.
Because of this, Cannon can immediately determine the different metering equipment that should be used for HFOs blowing agents in different production processes.
In a continuous production process, the blowing agent should be injected into the raw material formulation closer to the mixing head
.
In conclusion, Cannon has a variety of options to choose from
.
Cannon EasyFroth™ is a very successful technology, the premixing system of this technology consists of two sets of metering units and a static mixer, the special design of which is to use a set of two-way cylinders or pumps to The polyol and blowing agent are kept under a certain pressure, which greatly shortens the time for the components to dissolve in each other
.
This method allows a blowing agent content of up to 35% in the polyol
.
The new generation of EasyFroth™
This unit is completely modular in design and can be configured to meet the widest range of requirements, capable of handling various blowing agents or premixing of multi-component feedstocks
.
1.
Penta EasyFroth™ can handle flammable and explosive blowing agents such as cyclopentane or other alkane blowing agents
.
2.
Multi-Component EasyFroth™ is a set of modular equipment, which is the crystallization of Cannon's expertise in the use of various foaming agents, allowing customers to use one or more foaming agents at the same time in their production lines agent
.
3.
Multi EasyFroth™ can handle low boiling point blowing agents (LBBA) and flammable and explosive blowing agents, using a lever pressurization system or adding a heat exchanger at the blowing agent inlet can ensure that the blowing agent can be Liquid premixed
.
4.
Cannon DI EasyFroth™ injects the blowing agent directly into the mix head
.
5.
Cannon FlexiFroth is a special pre-mixing equipment, which can directly inject the blowing agent into the mixing head or add it to the polyol raw material before the raw material inlet of the foaming equipment
.
In accordance with the upcoming new energy efficiency standards, this is the best equipment solution with the best of both worlds in terms of performance
.
In Europe, polyurethane customers mainly use pentane as a blowing agent, which also seems to be an ideal solution in terms of foam performance and environmental protection
.
Cannon has successfully completed 1500 pentane replacement projects around the world, and can provide PentaBasic retrofit components for existing equipment so that it can use pentane blowing agent; it can also be used for intentional use of flammable and explosive foaming agents.
Small manufacturers of chemical agents offer an "economical" solution - the NanoPenta device
.
Mixing head scheme
For the DI EasyFroth™ and FlexiFroth™ premixing units, Cannon has specially designed and developed mixing heads that allow direct injection of blowing agents:
1.
The FPL SR X/3 is an improved mixing head with the addition of axial feed injection to the FPL SR mixing head.
The FPL SR X/3 mixing head is grooved to recirculate the first part when the mixing head is not pouring.
Three raw material components
.
An axial ejector pin prevents blowing agent from flowing into the mixing chamber when it is recirculated
.
2.
The FPL SR 3C-DI mixing head has a nozzle dedicated to the external recirculation of the blowing agent, which injects the blowing agent directly into the mixing chamber at high pressure
.
Cannon's equipment solutions for all industries
The EasyFroth™ series of premixing equipment can meet the technical requirements of all blowing agents on the market today, including HFOs HFO blowing agents
.
On Cannon equipment, the blowing agent injected directly into the mixing head must be a non-flammable and explosive blowing agent
.
For Cannon, safety is the most important principle it provides to its customers
.
